US prepares to step up strikes on Taliban after Trump halts talks

American forces are preparing to redouble a campaign to kill Taliban commanders in Afghanistan, in an attempt to put more pressure on the insurgents following Donald Trump's decision to call off negotiations with the militants. US commanders are expected to step up the tempo of their campaign of air strikes and raids targeting militant leaders, military sources said. The Taliban are expected to respond to the halt in talks with their own increase in operations, leaving Afghanistan braced for int